Spectrum (disambiguation)

Look up spectrum in Wiktionary, the free dictionary.

A spectrum is a condition or value that is not limited to a specific set of values but can vary infinitely within a continuum.

Spectrum may also refer to:

Physical science

• Continuous spectrum of any physical quantity that can change smoothly
• Discrete spectrum (physics)
• Electromagnetic spectrum
  • Visible spectrum or optical spectrum, a subset of the electromagnetic spectrum
  • Emission spectrum observed in light
  • Absorption spectrum observed in light
  • Radio spectrum, radio frequency subset of the electromagnetic spectrum
• Energy spectrum of a collection of particles (particle physics)
• Frequency spectrum of a signal
• Power spectrum of a signal

Social and medical sciences

• Antibiotic classification
• Economic spectrum, disparities between social classes
• Political spectrum of opinion
• Spectrum (psychiatry), a group of mental disorders of similar appearance or thought to share an underlying mechanism

Mathematics

• Pseudospectrum
• Spectrum of a matrix, in linear algebra
• Spectrum (functional analysis), a generalization of the concept of matrix eigenvalues to operators
• Spectrum (homotopy theory)
• Spectrum of a C*-algebra
• Spectrum of a graph, studied in spectral graph theory
• Spectrum of a polygon, the set of numbers of possible equidissections
• Spectrum of a ring, in commutative algebra
• Spectrum of a sentence, in mathematical logic
• Spectrum of a theory, in mathematical logic
• Stone space of boolean algebra
• Beatty sequence (non-standard name)

Media

• IEEE Spectrum, a magazine
• "Spectrum", a brand name used by Charter Communications for their telecommunication services, including:
  • Spectrum Internet, an internet service provider owned by Charter Communications, formerly Time Warner Cable Internet
  • Spectrum News, a group of six cable news channels owned by Charter Communications, formerly Time Warner Cable News
  • Spectrum Sports, a group of nine regional sports networks in the United States operated by Charter Communications, formerly branded Time Warner Cable Sports Channel or Time Warner Cable SportsNet
• Spectrum (magazine), an independent Seventh-day Adventist magazine
• Spectrum (TV channel), a defunct Chicago-area pay television broadcaster founded by United Cable
• The Spectrum & Daily News, part of the USA Today network, an asset of Gannett Company
• Spectrum (newspaper), a defunct Toledo, Ohio weekly newspaper
• The Spectrum (Utah), a Gannett newspaper in St. George, Utah
• Spectrum (TV series), a 1958 Canadian television series
• Spectrum (novel), a 2002 novel by Russian author Sergey Lukyanenko
• Spectrum (radio program), a daily broadcast series on CBS Radio, c. 1970–1992
• Spectrum liftout in The Sydney Morning Herald
• Monica Rambeau, a Marvel Comics character who uses the name Spectrum

Student newspapers

• The Spectrum (USLS), the student newspaper of the University of St. La Salle in the Philippines
• The Spectrum (NDSU), the student newspaper of the North Dakota State University
• The Spectrum (newspaper), the student newspaper of the University at Buffalo

Music

• Spectral music
• Peter Kember's band
• Spectrum (band), an Australian group of the 1970s led by Mike Rudd
• Spectrum, a bluegrass band that included Béla Fleck and Jimmy Gaudreau
• Spectrum (Billy Cobham album), debut album of fusion drummer Billy Cobham
• Spectrum (Cedar Walton album), the second album by jazz pianist Cedar Walton
• Spectrum (Jega album), debut album of electronic musician Jega
• Spectrum (Steve Howe album), 2005
• Spectrum (Illinois Jacquet album), 1965
• "Spectrum (Say My Name)", a 2012 song by British indie rock band Florence and the Machine
• "Spectrum" (Zedd song), a 2012 song by German electronic dance music producer Zedd; also covered by SM The Performance
• The Spectrum (Sirius XM), a music channel on Sirius Satellite Radio
• The Spectrum (1964–1970), a London-based pop group coincidentally providing the closing theme for the spectrum-themed TV show Captain Scarlet and the Mysterons

Buildings and structures

• Spectrum (Montreal), a defunct concert venue and local landmark
• Spectrum London, UK, an art gallery
• Guildford Spectrum, a leisure complex in Guildford, England
• Smith Spectrum, a sports arena in Logan, Utah, U.S.A.
• Spectrum (arena), a former sports arena in Philadelphia, Pennsylvania, U.S.A.

Business

Companies

• Spectrum Aircraft, a Canadian ultralight aircraft manufacturer
• Spectrum Aeronautical, a US-based manufacturer of very light jets
• Spectrum Animation, a Japanese animation studio
• Het Spectrum, a Dutch publishing company
• Spectrum Pharmaceuticals, an American biopharmaceutical company

Products

• Spectrum (racing car), a series of Australian open wheel racing cars manufactured by Borland Racing Developments
• Chevy Spectrum, a North American car also sold as the Geo Spectrum
• Sinclair ZX Spectrum, an early British home computer
• Spectrum, a brand of printer paper owned by Georgia-Pacific

Other

• Spectrum Range, a mountain range in British Columbia, Canada
• Gaylactic Spectrum Awards or Spectrums, a literary award
• Spectrum (horse), a thoroughbred racehorse
• Spectrum, the worldwide security organisation in the 1960s TV series Captain Scarlet and the Mysterons
• The SPECTRUM Standard, a Museum Collections Management Standard developed by the Collections Trust
• Spectrum Fantastic Art Live, an annual fantasy art festival and its related Spectrum Award

See also

• Spector (disambiguation) or Spektor
• Spectre (disambiguation) or Specter
• Spectra (disambiguation)
• Spectral (disambiguation)
• Spektrum (disambiguation)